aphid的例句大全

Study on Drug Fast of Wolfberry Aphid to Three Types of Pyrethrins in Ningxia

枸杞蚜虫对三种菊酯类杀虫剂抗性研究

The relation between the mosaic disease of Chinese cabbage and cabbage aphid in Sinkiang

新疆大白菜病毒病与甘蓝蚜的关系

Studies on Smearing Stem With Insecticides to Control Melon Aphid

乙酰甲胺磷乐果涂茎防治瓜田棉蚜的研究

Study on the biology and control of banana aphid

香蕉交脉蚜及其防治研究

A significant linear relationship was found between the trapped aphid number and aphid incidence in current shoots. Thus, prediction confidence intervals of aphids on traps combining with the occurrence peak of apterous aphids in fields were suggested to estimate aphid occurence.

同时田间新梢蚜虫发生率与黄板上蚜虫诱集量有显著的线性关系，可以利用黄板上蚜虫诱集量平均值的预测区间结合田间无翅蚜发生高峰来预测田间蚜虫的发生情况。

Identification of aphid-borne cowpea mosaic virus and observation on the resistence of several cowpea cultivars to the virus

豇豆花叶病的病原鉴定及豇豆品种抗病性试验

Chemical composition of two rape strains in relation to population dynamics and alary dimorphism of two aphid species

两种品系油菜植株成分与蚜虫种群消长及成蚜翅型的关系

During a period of 30 day observation, aphid mycosis developed much more rapidly at the regimes of higher temperature ( 20~ 30 ℃) and humidity(≥ 95% RH), at which, nymphs were effectively infected by contacting the conidia discharged from apterous cadavers.

在历时30d的观察中，以高温（20～30℃）、高湿（95%RH）组合条件下的蚜群发病快且死亡率高，蚜尸上产生的孢子有效地引起若蚜继发性感染。

There was a close genetic relationship between the fundatrix ( apterous), virginoparae ( apterous) and virginoparae ( alate) in the green peach aphid.

干母、干雌和迁移蚜之间的遗传关系最近。

Studies on Yield Loss and Dynamic Economic Threshold of Cowpea Aphid Aphis craccivora Koch on Cowpea, Vigna sp .

豆蚜危害豇豆损失率及动态经济阈值研究。

Figure 1 . Symptoms on melon plants infected with cucurbit aphid-borne yellows virus ( CABYV ).

图一、甜瓜受瓜类蚜媒黄化病毒 ( CABYV ) 感染呈现之病徵.

The effect of watermelon mosaic vims ( WMV-2) to the host of melon, cotton aphid ( Aphid gossypii Glover) was studied by the screening of host, micro-measurement, dissection and cultivation in-house.

通过对棉蚜寄主选择、显微测量、解剖法及室内培养，研究了西瓜花叶病毒2号对棉蚜寄主甜瓜的趋向性、体长、胚胎数量、繁殖力等的影响。